Files
2026-05-10 14:55:14 +02:00

75 lines
1.7 KiB
Go

package generator
import (
"fmt"
"math/rand"
"galaxy/calc"
"galaxy/game/internal/generator/plotter"
)
type Map struct {
Width uint32
Height uint32
HomePlanets []PlanetarySystem
FreePlanets []Planet
plotter plotter.Plotter
}
type Coordinate struct {
X, Y float64
}
func NewMap(width, height, players uint32) (*Map, error) {
p, err := plotter.NewPlotter(width, height, defaultFactor)
if err != nil {
return nil, fmt.Errorf("NewPlotter: %s", err)
}
return &Map{
Width: width,
Height: height,
HomePlanets: make([]PlanetarySystem, players),
plotter: p,
}, nil
}
func (m *Map) CreatePlanets(pc PlanetClass, num int, deadZoneRadius float64, size, resources func() float64) error {
for range num {
coord, err := m.NewCoordinate(deadZoneRadius)
if err != nil {
return err
}
planet := NewPlanet(pc, coord, size(), resources())
m.AddPlanet(planet)
}
return nil
}
func (m *Map) AddPlanet(planet Planet) {
m.FreePlanets = append(m.FreePlanets, planet)
}
func (m Map) NewCoordinate(deadZoneRaduis float64) (Coordinate, error) {
if x, y, err := m.plotter.RandomFreePoint(deadZoneRaduis); err != nil {
return Coordinate{}, fmt.Errorf("NewCoordinate: RandomFreePoint: %s", err)
} else {
return Coordinate{X: x, Y: y}, nil
}
}
func (m Map) ShortDistance(from, to Coordinate) float64 {
return calc.ShortDistance(m.Width, m.Height, from.X, from.Y, to.X, to.Y)
}
// RandI returns a random float64 value between min and max
func RandI(min, max float64) float64 {
return min + rand.Float64()*(max-min)
}
// RandIFn is a wrapper for the [RandI] func
func RandIFn(min, max float64) func() float64 {
return func() float64 {
return RandI(min, max)
}
}